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The New Stack
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Breaking the Chains of Kube-Proxy With Cilium
- Kubernetes, the standard for container orchestration, faces limitations with default settings like kube-proxy as clusters scale and workloads become more demanding.
- Default configurations in Kubernetes can be limiting due to the platform's modular nature, leading to complexity as organizations push the platform's limits.
- Cilium, a CNCF-graduated CNI, addresses challenges posed by kube-proxy by leveraging modern networking capabilities built on eBPF.
- Kube-proxy's challenges include performance overheads due to managing forwarding rules, operational complexity in updating rules, and limits on load balancing efficiency.
- Cilium, by eliminating kube-proxy, provides an eBPF-based approach for better networking in modern cloud native environments, improving efficiency, security, and observability.
- Efficiency gains with Cilium include reduced latency and improved throughput by handling packets in the kernel, enhancing security policies and real-time traffic insights.
- Success stories with Cilium showcase tangible benefits for organizations across industries by leveraging eBPF-based networking in Kubernetes environments.
- Cilium's 'kube-proxy replacement' mode simplifies traffic load balancing using eBPF, leading to performance gains, simplification, and enhanced security benefits.
- Cilium offers a path to drop kube-proxy, improving networking efficiency and security with eBPF-based load balancing directly in the kernel.
- By eliminating heavy rule-based overhead, Cilium speeds up traffic, provides deeper visibility, and demonstrates maturity to become the de facto standard for cloud native networking.
- For more information on Cilium and cloud native networking, refer to the official documentation or join the Cilium Slack channels for real-world advice and support.
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